The keys are active bacteria in yogurt, specifically Lactobacillus bulgaricus and Streptococcus thermophilus.
关键是酸奶中的活性细菌，特别是保加利亚乳杆菌和嗜热链球菌。
The key are active bacteria in yogurt, specifically Lactobacillus bulgaricus and Streptococcus thermophilus.
酸奶有助于缓解口臭的关键在于酸奶里的活性细菌，尤其是乳酸菌和喜温的链球菌。
With these organisms growing in concert, acid is produced by Streptococcus, and aroma components are formed by the Lactobacillus.
随着这些微生物的协同生长，由链球菌产酸，乳酸杆菌产生香味成分。
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